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There are AB3 type and sucrose solutions with 0.1M concentration each. If osmotic pressures of AB3 type and sucrose are 0.72 atm and 0.24 atm respectively at the same temperature. The fraction of AB3 dissociated will be 1) 0.25 2) 0.50 3) 0.67 4) 0.90?
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There are AB3 type and sucrose solutions with 0.1M concentration each....
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There are AB3 type and sucrose solutions with 0.1M concentration each....
Solution:
Given, osmotic pressure of AB3 solution = 0.72 atm
osmotic pressure of sucrose solution = 0.24 atm
Concentration of AB3 solution = 0.1 M
Concentration of sucrose solution = 0.1 M
Let us calculate the van't Hoff factor (i) for both the solutions using the formula:
i = (observed osmotic pressure)/(expected osmotic pressure)
where, expected osmotic pressure = (RT/V) x number of particles
For sucrose solution:
expected osmotic pressure = (RT/V) x 1 (as sucrose does not dissociate in solution)
∴ i = (0.24)/(0.0831 x 298 x 1/1000)
i = 0.996
For AB3 solution:
expected osmotic pressure = (RT/V) x 4 (as AB3 dissociates into 4 particles)
∴ i = (0.72)/(0.0831 x 298 x 4/1000)
i = 2.10
Now, we know that i = (1 + α(n-1))
where, α = degree of dissociation
n = number of particles after dissociation
For AB3, n = 4 (as it dissociates into 4 particles)
∴ 2.10 = (1 + α(4-1))
α = 0.67
Hence, the fraction of AB3 dissociated is 0.67. Therefore, the correct answer is option 3) 0.67.
Given, osmotic pressure of AB3 solution = 0.72 atm
osmotic pressure of sucrose solution = 0.24 atm
Concentration of AB3 solution = 0.1 M
Concentration of sucrose solution = 0.1 M
Let us calculate the van't Hoff factor (i) for both the solutions using the formula:
i = (observed osmotic pressure)/(expected osmotic pressure)
where, expected osmotic pressure = (RT/V) x number of particles
For sucrose solution:
expected osmotic pressure = (RT/V) x 1 (as sucrose does not dissociate in solution)
∴ i = (0.24)/(0.0831 x 298 x 1/1000)
i = 0.996
For AB3 solution:
expected osmotic pressure = (RT/V) x 4 (as AB3 dissociates into 4 particles)
∴ i = (0.72)/(0.0831 x 298 x 4/1000)
i = 2.10
Now, we know that i = (1 + α(n-1))
where, α = degree of dissociation
n = number of particles after dissociation
For AB3, n = 4 (as it dissociates into 4 particles)
∴ 2.10 = (1 + α(4-1))
α = 0.67
Hence, the fraction of AB3 dissociated is 0.67. Therefore, the correct answer is option 3) 0.67.
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There are AB3 type and sucrose solutions with 0.1M concentration each. If osmotic pressures of AB3 type and sucrose are 0.72 atm and 0.24 atm respectively at the same temperature. The fraction of AB3 dissociated will be 1) 0.25 2) 0.50 3) 0.67 4) 0.90?
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There are AB3 type and sucrose solutions with 0.1M concentration each. If osmotic pressures of AB3 type and sucrose are 0.72 atm and 0.24 atm respectively at the same temperature. The fraction of AB3 dissociated will be 1) 0.25 2) 0.50 3) 0.67 4) 0.90? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about There are AB3 type and sucrose solutions with 0.1M concentration each. If osmotic pressures of AB3 type and sucrose are 0.72 atm and 0.24 atm respectively at the same temperature. The fraction of AB3 dissociated will be 1) 0.25 2) 0.50 3) 0.67 4) 0.90? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for There are AB3 type and sucrose solutions with 0.1M concentration each. If osmotic pressures of AB3 type and sucrose are 0.72 atm and 0.24 atm respectively at the same temperature. The fraction of AB3 dissociated will be 1) 0.25 2) 0.50 3) 0.67 4) 0.90?.
There are AB3 type and sucrose solutions with 0.1M concentration each. If osmotic pressures of AB3 type and sucrose are 0.72 atm and 0.24 atm respectively at the same temperature. The fraction of AB3 dissociated will be 1) 0.25 2) 0.50 3) 0.67 4) 0.90? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about There are AB3 type and sucrose solutions with 0.1M concentration each. If osmotic pressures of AB3 type and sucrose are 0.72 atm and 0.24 atm respectively at the same temperature. The fraction of AB3 dissociated will be 1) 0.25 2) 0.50 3) 0.67 4) 0.90? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for There are AB3 type and sucrose solutions with 0.1M concentration each. If osmotic pressures of AB3 type and sucrose are 0.72 atm and 0.24 atm respectively at the same temperature. The fraction of AB3 dissociated will be 1) 0.25 2) 0.50 3) 0.67 4) 0.90?.
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